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plugin/forward: Return original message on truncation (#1674)

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With this change the original truncated message returned by requested
server is returned to the client, instead of returning an empty dummy
message with only the truncation bit set.
This commit is contained in:
Tobias Schmidt 2018-04-12 21:17:05 +02:00 • committed by Miek Gieben
parent 305ae9b9bc
commit e671e22e65
2 changed files with 7 additions and 1 deletions
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6
plugin/forward/truncated_test.go
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@ -49,6 +49,9 @@ func TestLookupTruncated(t *testing.T) {
if !resp.Truncated {
t.Error("Expected to receive reply with TC bit set, but didn't")
}
if len(resp.Answer) != 1 {
t.Error("Expected to receive original reply, but answer is missing")
}
resp, err = f.Lookup(state, "example.org.", dns.TypeA)
if err != nil {
@ -102,6 +105,9 @@ func TestForwardTruncated(t *testing.T) {
if !resp.Truncated {
t.Error("Expected to receive reply with TC bit set, but didn't")
}
if len(resp.Answer) != 1 {
t.Error("Expected to receive original reply, but answer is missing")
}
resp, err = f.Forward(state)
if err != nil {